ETA Captain vs shipETA

The fastest answer to "What's your ETA, Captain?" ETA Captain is a voyage planning calculator built by a ship captain for ship officers. Four essential tools, always ready, no internet required. SPEED REQUIRED
Enter your schedule, zone description, and route distance. Get your speed required instantly. BEST ETA
Input your sailing time and best speed. Get your best ETA. LATEST ETD
Know your deadline. Work backwards from your required arrival to find the latest you can sail. FUEL
Estimate bunker consumption for your voyage based on your vessel's speed and consumption parameters. Built for all vessel types. Works fully offline. No account required.

shipETA is an offline voyage planning aid for ship officers. Calculate Speed Required, Best ETA, Latest ETD, and bunker estimates with Zone Description (ZD) wall-clock times, built for pilot-station to pilot-station sea passages. WHAT YOU CAN DO • Speed Required: sail time, required dock ETA, pilotage, and distance to required open-water SOG • Best ETA: sail and SOG to pilot-station arrival and dock ETA • Latest ETD: required dock ETA and SOG to latest sail and departure • Fuel: cube-law estimate from two speed / MT-day references, with optional burn band • Routes: save and reopen passages on device • Vessels: performance profiles (SOG and cube-law refs) you can link to a route • Whale zone: SOG cap for ETA/ETD; segmented WZ distances for Speed Required • Share: export a PDF or copy a text summary via the system share sheet BUILT FOR THE BRIDGE • Works fully offline. No account, no cloud sync • ZD as a signed UTC offset (including half hours) • Clear timeline: sail, pilot out, sea passage, pilot in, dock • Local storage only for routes and vessel profiles IMPORTANT shipETA is a planning aid. Results are estimates from the values you enter and are not a substitute for official navigation systems, company procedures, or the Master’s judgment. Always cross-check before use. Support: dahiri.farid@gmail.com Privacy: https://seawork.org/#privacy Website: https://seawork.org/